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If y is a function of x and log(x+y)-2xy...

If y is a function of x and `log(x+y)-2xy=0`, then `y'(0)` is equal to :

A

1

B

`-1`

C

2

D

0

Text Solution

Verified by Experts

The correct Answer is:
A
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MODERN PUBLICATION-DIFFERENTIABILITY AND DIFFERENTIATION -RCQs (Questions from Karnataka CET & COMED)
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  15. If y = (tan^(-1)x)^(2) then show that (x^(2) + 1)^(2) (d^2 y)/(dx^2) +...

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  16. If the function f(x) defined by f(x)=(x^(100))/(100)+(x^(99))/(99)+....

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  17. Which of the following functions is differentiable at x=0. ?

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  18. If x=a(cost+logtant//2),y=asint, then (dy)/(dx)=

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  19. If f(x)=xtan^(-1)x, then lim(xto1)(f(x)-f(1))/(x-1)=

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  20. If f(y)=f(x^(2)+2) and f'(3)=5, then (dy)/(dx) at x=1 is :

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  21. If x = a cos^(3) theta , y = a sin^(3) theta , then 1+((dy)/(dx))^(2)...

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